1121101121011 has 2 divisors, whose sum is σ = 1121101121012. Its totient is φ = 1121101121010.

The previous prime is 1121101120991. The next prime is 1121101121089. The reversal of 1121101121011 is 1101211011211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1101211011211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121101121011 - 2¹⁵ = 1121101088243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121101120982 and 1121101121000.

It is not a weakly prime, because it can be changed into another prime (1121101121711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560550560505 + 560550560506.

It is an arithmetic number, because the mean of its divisors is an integer number (560550560506).

Almost surely, 2^{1121101121011} is an apocalyptic number.

1121101121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121101121011 is an equidigital number, since it uses as much as digits as its factorization.

1121101121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121101121011 its reverse (1101211011211), we get a palindrome (2222312132222).

The spelling of 1121101121011 in words is "one trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, eleven".